2178719920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^2\times {\mathrm{563}}^1$

素因数の和:711

約数の個数: 120

約数和(自身を含む): 5555925648

約数和(自身を除く): 3377205728

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 61, 65, 80, 104, 122, 130, 208, 244, 260, 305, 488, 520, 563, 610, 793, 976, 1040, 1126, 1220, 1586, 2252, 2440, 2815, 3172, 3721, 3965, 4504, 4880, 5630, 6344, 7319, 7442, 7930, 9008, 11260, 12688, 14638, 14884, 15860, 18605, 22520, 29276, 29768, 31720, 34343, 36595, 37210, 45040, 48373, 58552, 59536, 63440, 68686, 73190, 74420, 96746, 117104, 137372, 146380, 148840, 171715, 193492, 241865, 274744, 292760, 297680, 343430, 386984, 446459, 483730, 549488, 585520, 686860, 773968, 892918, 967460, 1373720, 1785836, 1934920, 2094923, 2232295, 2747440, 3571672, 3869840, 4189846, 4464590, 7143344, 8379692, 8929180, 10474615, 16759384, 17858360, 20949230, 27233999, 33518768, 35716720, 41898460, 54467998, 83796920, 108935996, 136169995, 167593840, 217871992, 272339990, 435743984, 544679980, 1089359960, 2178719920]

約数ペア:

[(1, 2178719920), (2, 1089359960), (4, 544679980), (5, 435743984), (8, 272339990), (10, 217871992), (13, 167593840), (16, 136169995), (20, 108935996), (26, 83796920), (40, 54467998), (52, 41898460), (61, 35716720), (65, 33518768), (80, 27233999), (104, 20949230), (122, 17858360), (130, 16759384), (208, 10474615), (244, 8929180), (260, 8379692), (305, 7143344), (488, 4464590), (520, 4189846), (563, 3869840), (610, 3571672), (793, 2747440), (976, 2232295), (1040, 2094923), (1126, 1934920), (1220, 1785836), (1586, 1373720), (2252, 967460), (2440, 892918), (2815, 773968), (3172, 686860), (3721, 585520), (3965, 549488), (4504, 483730), (4880, 446459), (5630, 386984), (6344, 343430), (7319, 297680), (7442, 292760), (7930, 274744), (9008, 241865), (11260, 193492), (12688, 171715), (14638, 148840), (14884, 146380), (15860, 137372), (18605, 117104), (22520, 96746), (29276, 74420), (29768, 73190), (31720, 68686), (34343, 63440), (36595, 59536), (37210, 58552), (45040, 48373)]